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E1..E4
Class
Byte 4
Bit 6..7
Class
4
4
Remarks:
1
)
2
)
3
)
4
)
5
)
6
)
7
)
2022/01/31
d1
d2
d3
Comp
Dev
Mod
-
Byte 1
Byte 2
Inter-
Device
Module
face
1
)
2
)
3
)
-
31
3
-
31
3
In AC500 the following interface identifier applies:
"-" = Diagnosis via bus-specific function blocks; 0 ... 4 or 10 = Position of the
Communication Module;14 = I/O bus; 31 = Module itself
The identifier is not contained in the CI521-MODTCP diagnosis block.
With "Device" the following allocation applies: 31 = Module itself; 1..10 =
Expansion module
With "Module" the following allocation applies:
31 = Module itself
Module type (1 = AI, 2 = DO, 3 = AO)
This message appears, if externally voltages at one or more terminals
DO0...DO7 cause that other digital outputs are supplied through that voltage
Ä Chapter 1.7.4.1.3 "Connections" on page 731. All outputs of the apply
digital output groups will be turned off for 5 seconds. The diagnosis message
appears for the whole output group.
The voltage on digital outputs DO0...DO7 has overrun the process supply
Ä Chapter 1.7.4.1.3 "Connections" on page 731. Diagnosis
voltage UP3
message appears for the whole module.
This message appears, if the output of a channel DO0...DO7 should be
switched on while an externally voltage is connected. In this case the start
up is disabled, as long as the externally voltage is connected. Otherwise this
could produce reverse voltage from this output to other digital outputs. This
diagnosis message appears per channel.
Short circuit: After a detected short circuit, the output is deactivated for
100ms. Then a new start up will be executed. This diagnosis message
appears per channel.
3ADR010278, 3, en_US
Communication interface modules (S500) > Modbus
d4
Identi-
AC500-
fier
Display
000..063
Ch
Err
PS501
PLC
Browser
Byte 3
Byte 4
PNIO
diag-
Bit 0..5
nosis
block
Channel Error-
Error message
Identi-
fier
0..1
4
Analog value over-
flow at an analog
output
0..1
7
Analog value
underflow at an
analog output
Device specifications
<− Display in
Remedy
Check
output
value
Check
output
value
759
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